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294 lines
10 KiB
C
294 lines
10 KiB
C
/* System-specific socket constants and types. AIX version.
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Copyright (C) 1991,92,1994-1999,2000,2001 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, write to the Free
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Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
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02111-1307 USA. */
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#ifndef __BITS_SOCKET_H
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#define __BITS_SOCKET_H
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#if !defined _SYS_SOCKET_H && !defined _NETINET_IN_H
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# error "Never include <bits/socket.h> directly; use <sys/socket.h> instead."
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#endif
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#define __need_size_t
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#define __need_NULL
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#include <stddef.h>
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#include <limits.h>
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#include <sys/types.h>
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/* Type for length arguments in socket calls. */
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#ifndef __socklen_t_defined
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typedef __socklen_t socklen_t;
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# define __socklen_t_defined
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#endif
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/* Types of sockets. */
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enum __socket_type
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{
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SOCK_STREAM = 1, /* Sequenced, reliable, connection-based
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byte streams. */
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#define SOCK_STREAM SOCK_STREAM
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SOCK_DGRAM = 2, /* Connectionless, unreliable datagrams
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of fixed maximum length. */
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#define SOCK_DGRAM SOCK_DGRAM
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SOCK_RAW = 3, /* Raw protocol interface. */
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#define SOCK_RAW SOCK_RAW
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SOCK_RDM = 4, /* Reliably-delivered messages. */
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#define SOCK_RDM SOCK_RDM
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SOCK_SEQPACKET = 5, /* Sequenced, reliable, connection-based,
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datagrams of fixed maximum length. */
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#define SOCK_SEQPACKET SOCK_SEQPACKET
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SOCK_CONN_DGRAM = 6 /* Conneciton datagram. */
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#define SOCK_CONN_DGRAM SOCK_CONN_DGRAM
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};
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/* Protocol families. */
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#define PF_UNSPEC 0 /* Unspecified. */
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#define PF_LOCAL 1 /* Local to host (pipes and file-domain). */
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#define PF_UNIX PF_LOCAL /* Old BSD name for PF_LOCAL. */
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#define PF_FILE PF_LOCAL /* Another non-standard name for PF_LOCAL. */
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#define PF_INET 2 /* IP protocol family. */
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#define PF_IMPLINK 3 /* ARPAnet IMP addresses. */
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#define PF_PUP 4 /* PUP protocols (e.g., BSP). */
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#define PF_CHAOS 5 /* MIT CHAOS protocols. */
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#define PF_NS 6 /* XEROX NS protocols. */
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#define PF_ISO 7 /* ISO protocols. */
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#define PF_OSI PF_ISO
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#define PF_ECMA 8 /* European Computer Manufacturers. */
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#define PF_DATAKIT 9 /* Datakit protocols. */
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#define PF_CCITT 10 /* CCITT protocols, X.25 etc. */
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#define PF_SNA 11 /* IBM SNA. */
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#define PF_DECnet 12 /* DECnet. */
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#define PF_DLI 13 /* DEC Direct data link interface. */
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#define PF_LAT 14 /* LAT. */
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#define PF_HYLINK 15 /* NSC Hyperchannel. */
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#define PF_APPLETALK 16 /* Apple Talk. */
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#define PF_NETLINK 17 /* Internet Routing Protocol. */
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#define PF_ROUTE PF_NETLINK /* Alias to emulate 4.4BSD. */
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#define PF_LINK 18 /* Link layer interface. */
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#define PF_XTP 19 /* eXpress Transfer Protocol (no AF). */
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#define PF_INTF 20 /* Debugging use only. */
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#define PF_RIF 21 /* Raw interface. */
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#define PF_NETWARE 22
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#define PF_NDD 23
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#define PF_INET6 24 /* IPv6. */
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#define PF_MAX 30 /* For now.. */
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/* Address families. */
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#define AF_UNSPEC PF_UNSPEC
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#define AF_LOCAL PF_LOCAL
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#define AF_UNIX PF_UNIX
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#define AF_FILE PF_FILE
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#define AF_INET PF_INET
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#define AF_IMPLINK PF_IMPLINK
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#define AF_PUP PF_PUP
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#define AF_CHAOS PF_CHAOS
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#define AF_NS PF_NS
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#define AF_ISO PF_ISO
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#define AF_OSI PF_OSI
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#define AF_ECMA PF_ECMA
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#define AF_DATAKIT PF_DATAKIT
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#define AF_CCITT PF_CCITT
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#define AF_SNA PF_SNA
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#define AF_DECnet PF_DECnet
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#define AF_DLI PF_DLI
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#define AF_LAT PF_LAT
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#define AF_HYLINK PF_HYLINK
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#define AF_APPLETALK PF_APPLETALK
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#define AF_NETLINK PF_NETLINK
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#define AF_ROUTE PF_ROUTE
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#define AF_LINK PF_LINK
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#define AF_INTF PF_INTF
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#define AF_RIF PF_RIF
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#define AF_NETWARE PF_NETWARE
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#define AF_NDD PF_NDD
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#define AF_INET6 PF_INET6
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#define AF_MAX PF_MAX
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/* Socket level values. Others are defined in the appropriate headers.
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XXX These definitions also should go into the appropriate headers as
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far as they are available. */
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#define SOL_SOCKET 0xffff
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/* Maximum queue length specifiable by listen. */
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#define SOMAXCONN 1024
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/* Get the definition of the macro to define the common sockaddr members. */
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#include <bits/sockaddr.h>
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/* Structure describing a generic socket address. */
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struct sockaddr
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{
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__SOCKADDR_COMMON (sa_); /* Common data: address family and length. */
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char sa_data[14]; /* Address data. */
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};
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/* Structure large enough to hold any socket address (with the historical
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exception of AF_UNIX). We reserve 128 bytes. */
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#if ULONG_MAX > 0xffffffff
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# define __ss_aligntype __uint64_t
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#else
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# define __ss_aligntype __uint32_t
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#endif
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#define _SS_SIZE 128
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#define _SS_PADSIZE (_SS_SIZE - (2 * sizeof (__ss_aligntype)))
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struct sockaddr_storage
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{
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__SOCKADDR_COMMON (ss_); /* Address family, etc. */
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__ss_aligntype __ss_align; /* Force desired alignment. */
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char __ss_padding[_SS_PADSIZE];
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};
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/* Bits in the FLAGS argument to `send', `recv', et al. */
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enum
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{
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MSG_OOB = 0x01, /* Process out-of-band data. */
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#define MSG_OOB MSG_OOB
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MSG_PEEK = 0x02, /* Peek at incoming messages. */
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#define MSG_PEEK MSG_PEEK
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MSG_DONTROUTE = 0x04, /* Don't use local routing. */
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#define MSG_DONTROUTE MSG_DONTROUTE
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MSG_EOR = 0x08, /* End of record. */
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#define MSG_EOR MSG_EOR
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MSG_TRUNC = 0x10,
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#define MSG_TRUNC MSG_TRUNC
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MSG_CTRUNC = 0x20, /* Control data lost before delivery. */
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#define MSG_CTRUNC MSG_CTRUNC
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MSG_WAITALL = 0x40, /* Wait for a full request. */
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#define MSG_WAITALL MSG_WAITALL
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MSG_MPEG2 = 0x80, /* Message contain MPEG2 data. */
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#define MSG_MPEG2 MSG_MPEG2
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};
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/* Structure describing messages sent by
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`sendmsg' and received by `recvmsg'. */
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struct msghdr
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{
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void *msg_name; /* Address to send to/receive from. */
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socklen_t msg_namelen; /* Length of address data. */
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struct iovec *msg_iov; /* Vector of data to send/receive into. */
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int msg_iovlen; /* Number of elements in the vector. */
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void *msg_control; /* Ancillary data (eg BSD filedesc passing). */
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socklen_t msg_controllen; /* Ancillary data buffer length. */
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int msg_flags; /* Flags on received message. */
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};
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/* Structure used for storage of ancillary data object information. */
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struct cmsghdr
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{
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socklen_t cmsg_len; /* Length of data in cmsg_data plus length
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of cmsghdr structure. */
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int cmsg_level; /* Originating protocol. */
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int cmsg_type; /* Protocol specific type. */
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#if (!defined __STRICT_ANSI__ && __GNUC__ >= 2) || __STDC_VERSION__ >= 199901L
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__extension__ unsigned char __cmsg_data __flexarr; /* Ancillary data. */
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#endif
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};
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/* Ancillary data object manipulation macros. */
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#if (!defined __STRICT_ANSI__ && __GNUC__ >= 2) || __STDC_VERSION__ >= 199901L
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# define CMSG_DATA(cmsg) ((cmsg)->__cmsg_data)
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#else
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# define CMSG_DATA(cmsg) ((unsigned char *) ((struct cmsghdr *) (cmsg) + 1))
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#endif
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#define CMSG_NXTHDR(mhdr, cmsg) __cmsg_nxthdr (mhdr, cmsg)
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#define CMSG_FIRSTHDR(mhdr) \
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((size_t) (mhdr)->msg_controllen >= sizeof (struct cmsghdr) \
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? (struct cmsghdr *) (mhdr)->msg_control : (struct cmsghdr *) NULL)
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#define CMSG_ALIGN(len) (((len) + sizeof (size_t) - 1) \
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& ~(sizeof (size_t) - 1))
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#define CMSG_SPACE(len) (CMSG_ALIGN (len) \
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+ CMSG_ALIGN (sizeof (struct cmsghdr)))
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#define CMSG_LEN(len) (CMSG_ALIGN (sizeof (struct cmsghdr)) + (len))
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extern struct cmsghdr *__cmsg_nxthdr (struct msghdr *__mhdr,
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struct cmsghdr *__cmsg) __THROW;
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#ifdef __USE_EXTERN_INLINES
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# ifndef _EXTERN_INLINE
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# define _EXTERN_INLINE extern __inline
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# endif
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_EXTERN_INLINE struct cmsghdr *
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__cmsg_nxthdr (struct msghdr *__mhdr, struct cmsghdr *__cmsg) __THROW
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{
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if ((size_t) __cmsg->cmsg_len < sizeof (struct cmsghdr))
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/* The kernel header does this so there may be a reason. */
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return 0;
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__cmsg = (struct cmsghdr *) ((unsigned char *) __cmsg
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+ CMSG_ALIGN (__cmsg->cmsg_len));
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if ((unsigned char *) (__cmsg + 1) >= ((unsigned char *) __mhdr->msg_control
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+ __mhdr->msg_controllen)
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|| ((unsigned char *) __cmsg + CMSG_ALIGN (__cmsg->cmsg_len)
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> ((unsigned char *) __mhdr->msg_control + __mhdr->msg_controllen)))
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/* No more entries. */
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return 0;
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return __cmsg;
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}
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#endif /* Use `extern inline'. */
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/* Socket level message types. This must match the definitions in
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<linux/socket.h>. */
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enum
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{
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SCM_RIGHTS = 0x01 /* Transfer file descriptors. */
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#define SCM_RIGHTS SCM_RIGHTS
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};
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/* Options flags per socket. */
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#define SO_DEBUG 0x0001 /* Turn on debugging info recording. */
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#define SO_ACCEPTCONN 0x0002 /* Socket has had listen(). */
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#define SO_REUSEADDR 0x0004 /* Allow local address reuse. */
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#define SO_KEEPALIVE 0x0008 /* Keep connections alive. */
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#define SO_DONTROUTE 0x0010 /* Just use interface addresses. */
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#define SO_BROADCAST 0x0020 /* Permit sending of broadcast msgs. */
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#define SO_USELOOPBACK 0x0040 /* Bypass hardware when possible. */
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#define SO_LINGER 0x0080 /* Linger on close if data present. */
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#define SO_OOBINLINE 0x0100 /* Leave received OOB data in line. */
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#define SO_REUSEPORT 0x0200 /* Allow local address & port reuse. */
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#define SO_USE_IFBUFS 0x0400 /* Interface will supply buffers. */
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#define SO_CKSUMRECV 0x0800 /* Defer checksum until receive. */
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#define SO_NOREUSEADDR 0x1000 /* Prevent local address reuse. */
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#define SO_SNDBUF 0x1001 /* Send buffer size. */
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#define SO_RCVBUF 0x1002 /* Receive buffer size. */
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#define SO_SNDLOWAT 0x1003 /* Send low-water mark. */
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#define SO_RCVLOWAT 0x1004 /* Receive low-water mark. */
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#define SO_SNDTIMEO 0x1005 /* Send timeout. */
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#define SO_RCVTIMEO 0x1006 /* Receive timeout. */
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#define SO_ERROR 0x1007 /* Get error status and clear. */
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#define SO_TYPE 0x1008 /* Get socket type. */
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#define SO_KERNACCEPT 0x2000 /* Derive a in-kernel only socket. */
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#define SO_AUDIT 0x8000 /* Turn on socket auditing. */
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/* Structure used to manipulate the SO_LINGER option. */
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struct linger
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{
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int l_onoff; /* Nonzero to linger on close. */
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int l_linger; /* Time to linger. */
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};
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#endif /* bits/socket.h */
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